Or, you can start changing your beliefs. Since you chose your original beliefs, probably unconsciously, you can now consciously choose new ones. Here are some suggestions for new beliefs that can better serve you.

I have gone through so much emotional pain that I hurt physically and survived. Therefore, I can do it again (if I have too). I must be one strong person!

What can I learn from this experience? How will I do it differently next time?

Emotional pain is not terminal. I am a resilient and loving person who is not afraid of the future.